Improvement in automatic lubricating-cups



dni-ted gime @anni dimite.

Letters Patent No. 111,105, dated January 24, 1871.

f IMPROVEMENT IN AUTOMATIC MI UBRICATING-SUPS.

The Schedule referred to in these Letters Patent and making part of the,same.

To whom it may concern u i Be it known that we, JAMES A. BRYAN and WIL-.LIAM Smnvmnnn, of Kent, in the county of Portage laccompanying drawingand to the letters` of reference marked thereon and being a part of thisspecification, in whichp Figure l is a vertical section of ourimprovement, and

Figure 2 is a detached viewV of the valve-eage.`

Like letters indicate like parts in each figure;

The nature of this invention relates to an improvement in devices forsupplying fluid lubricants to crankpins and other revolving bearingsautomatically and without waste.

Theinvention consists in thc novel and peculiar arrangement, within aclosed oil-cup, of a valve iu a channel leading to the bearing to belubricated, and in a cage 0r strainer surrounding` the head of thevalve, whose lift is adjusted by a temper-screw passing down through thecover of the oil-cup, the whole arranged and operating as more fullyhereinafter set forth.

A representsa metallic oil-cup, closed at the top by a cap, B, threadedtherein.

The cup is provided at the bottom with-a hollow stem, A', which istapped through the strap or cover, and the box of the bearingto belubricated.

C is an ordinary wing-valve, opening inward, and seated at the top ofthe hollow stern A. f

Dis a perforated cage or strainer, closed at the top,

fitting loosely over an annular elevation in thc bot-l tom of the cup,concentric with the valve. .At the greatest depression of the strainerthe valve will have a slight upward plaT from its seat.

E isa threaded stein, provided at the top with a propel' head forturning it, and is screwed through the cap, its lower end stepped in asocket on the strainertop. For obvious reasons it is also with achecknut, F.

Gr is a screw in the cap, by removing which the cup ma \r be filled witha suitable lubricant. V

The cage D serves not only to keep the valve from lifting beyond thelimit set by the stem ll, but also to prevent the access of anyimpurities in the oil to the valve-seat to interfere with the operationloi' the valve. The flow of the oil is regulated by the stem E, which isadjusted to allow the valve and strainer to lift more or less, as may berequired.

The device being tapped into the upper side of :t

crank-pin, pitman-wrist, parallel-rod, or other revolving bearing, itsvalve is closed' during the entire circle.

described by the revolving part to which itis attached, except for aninstant after passing the highest point, when the downward throw of thecrank allows the centrifugal force developed. to lift the valve andthusV -permit the u regulated famount of oil to flow down through thestem to the bearing.

Having lthus described our invent-ion,

That we claim as new, and desire to secure by Letters Patent, is

`The construction and arrangement, with relation to the cup A and cap B,of the valve C, cage 0r strainer i

